Improved sound box

Abstract

The utility model relates to the technical field of sound boxes, in particular to an improved sound box, which comprises a box body and a front cover fixedly mounted on one side of the box body, a loudspeaker is fixedly arranged at the center of the inner side of the front cover, a small loudspeaker is fixedly arranged at the upper end of the inner side of the front cover, and a connecting block is fixedly arranged at the concentric position of the center of the outer side of the front cover and the loudspeaker. U-shaped blocks used for protecting the loudspeaker are symmetrically arranged in the connecting block up and down, damage of an external object to a vibrating diaphragm of the loudspeaker is prevented, the service life of the loudspeaker is prolonged, the U-shaped blocks can also be used as handles, a user can conveniently carry the loudspeaker box, and practicability is improved; the supporting plate is arranged in the annular groove, so that the structural strength is enhanced, the front cover is prevented from being deformed when being stressed, the resonance phenomenon in the annular groove is reduced, the overall tone quality performance of the sound box is improved, the sealing gasket ensures the tight attachment between the front cover and the box body, air leakage is prevented, and the low-frequency response and the overall tone quality clarity are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sound box technical field especially for an improved sound box. BACKGROUND

[0002] The improved sound box is one of the key factors of sound box performance, which determines the sound quality, efficiency and durability of the sound box. The improved sound box usually includes a cabinet, a speaker unit, a frequency divider, a connecting line and other auxiliary components. These components are carefully designed and assembled to work together to produce high-quality sound output. In order to reduce the resonance and echo in the cabinet, the components need to be installed tightly and firmly.

[0003] The sealing design of the sound box is crucial to its low-frequency performance, ensuring more concentrated and powerful low-frequency response. During the operation of the sound box, especially during high-power operation, the loudspeaker and other electronic components will generate a large amount of heat. If the heat cannot be discharged in time, it may cause the temperature to be too high, affecting the performance and life of the equipment, so heat dissipation management is also an important part of sound box design.

[0004] The sound quality of the sound box decreases and the internal components are damaged when the internal components are not fixed firmly and the protection effect is not good. In view of this, an improved sound box is provided. SUMMARY

[0005] The main purpose of the utility model is to provide an improved sound box to solve the problem of sound quality decrease and internal component damage when the internal components are not fixed firmly and the protection effect is not good in the related technology.

[0006] In order to achieve the above purpose, according to one aspect of the utility model, an improved sound box is provided, which includes a cabinet and a front cover fixedly installed on one side of the cabinet. A loudspeaker is fixedly arranged at the center of the inner side of the front cover. A small loudspeaker is fixedly arranged at the upper end of the inner side of the front cover. A connecting block is fixedly arranged at the concentric position of the outer side of the front cover and the loudspeaker. A U-shaped block for protecting the loudspeaker is symmetrically arranged in the connecting block.

[0007] Further, a groove is formed in the upper end of the outer side of the front cover. One end of the small loudspeaker is located at the center of the groove, and a plurality of limiting plates are fixedly arranged in the form of a ring array at the concentric position of the groove and the small loudspeaker.

[0008] Further, two fixed grooves are symmetrically formed in the lower end of the outer side of the front cover. The fixed grooves are trapezoidal.

[0009] Further, a ring groove is formed in the center of the inner side of the front cover, and a plurality of card seats are arranged in the form of a ring array in the ring groove. Limiting holes are formed in the card seats.

[0010] Further, the two adjacent card holders are provided with a support plate, and the support plate is located in the ring groove.

[0011] Further, one end of the loudspeaker is mounted in the connecting block, positioning holes are formed in the four corners of the loudspeaker, the positioning holes are concentric with the limiting holes and tightly fit, and a fixed block is further fixedly arranged on the one end side wall of the loudspeaker.

[0012] Further, a plurality of mounting seats are arranged in an annular array on the upper end of the inner side of the front cover, and a column hole is formed in the mounting seat.

[0013] Further, one end of the small loudspeaker is mounted in the groove, two connecting plates are symmetrically arranged at one end of the small loudspeaker, the connecting plates are L-shaped, through holes are formed in the connecting plates, the through holes are concentric with the column holes and tightly fit, and two fixed pins are further symmetrically arranged on the bottom of the small loudspeaker.

[0014] Further, a sealing gasket is further arranged in the ring groove, and one side of the sealing gasket is tightly fitted with the side wall of the box body.

[0015] Further, a connecting pipe is symmetrically arranged in the box body, and one end of the connecting pipe is mounted in the fixed groove.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. In the improved sound box, the connecting block and the U-shaped block in the connecting block provide effective protection for the loudspeaker, prevent damage to the loudspeaker diaphragm by external objects, prolong the service life of the loudspeaker, and the U-shaped block can also be used as a handle to facilitate the user to carry the sound box and increase the practicability.

[0018] 2. In the improved sound box, the support plate strengthens the structural strength of the ring groove, prevents the front cover from deforming under stress, reduces the resonance phenomenon in the ring groove, improves the overall sound quality performance of the sound box, ensures the tight fit between the front cover and the box body, prevents air leakage, and improves the low frequency response and overall sound quality clarity. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the improved sound box in the preferred embodiment of the utility model;

[0020] Figure 2 It is one of the whole structure schematic views of the front cover in the preferred embodiment of the utility model;

[0021] Figure 3 It is the second of the whole structure schematic views of the front cover in the preferred embodiment of the utility model;

[0022] Figure 4 For the preferred embodiment of the utility model Figure 3 The structure amplification schematic view in the middle A place;

[0023] Figure 5 For the preferred embodiment of the utility model Figure 3 The structure amplification schematic view in the middle B place;

[0024] Figure 6 For the preferred embodiment of the utility model loudspeaker overall structure schematic view;

[0025] Figure 7 For the preferred embodiment of the utility model small loudspeaker overall structure schematic view;

[0026] Figure 8 For the preferred embodiment of the utility model box overall structure schematic view.

[0027] Illustration:

[0028] 1, box;11, sealing washer;

[0029] 2, front cover;21, connecting block;22, recess;221, limit plate;23, fixed groove;24, U-shaped block;25, ring groove;26, clamping seat;261, limit hole;27, support plate;28, mounting seat;281, column hole;

[0030] 3, loudspeaker;31, positioning hole;32, fixed block;4, small loudspeaker;41, connecting plate;42, through hole;43, fixed pin;5, connecting pipe. Specific implementation

[0031] In order to further illustrate the utility model for realizing the technical means and effects of predetermined utility model purposes, the following is combined with the preferred embodiment, the specific implementation, structure, characteristics and effects according to the utility model are described in detail as follows.

[0032] Please refer to Figures 1-8 As shown in the figure, the purpose of the embodiment is to provide an improved sound box, comprising a box 1 and a front cover 2 fixedly installed on one side thereof, a loudspeaker 3 is fixedly arranged at the center of the inner side of the front cover 2, a small loudspeaker 4 is fixedly arranged at the upper end of the inner side of the front cover 2, and a connecting block 21 is fixedly arranged at the concentric position of the loudspeaker 3 on the outer side of the front cover 2, and the U-shaped block 24 for protecting the loudspeaker 3 is symmetrically arranged in the connecting block 21.

[0033] The outer side upper end of the front cover 2 is provided with a groove 22, the groove 22 is designed in a streamline shape, one end of the small loudspeaker 4 is located at the center of the groove 22, and a plurality of limiting plates 221 are fixedly arranged in a ring array at the concentric position of the groove 22 and the small loudspeaker 4, the limiting plates 221 surround the center of the small loudspeaker 4, and the main function of the limiting plates 221 is to limit the small loudspeaker 4 in the radial direction to prevent horizontal displacement of the small loudspeaker 4 during work, since the small loudspeaker 4 will vibrate during work, the limiting plates 221 can effectively limit the transverse movement of the small loudspeaker 4, and ensure that the small loudspeaker 4 is always in the correct position.

[0034] Two symmetrical fixing grooves 23 are provided at the lower end of the outer side of the front cover 2, and the fixing grooves 23 are trapezoidal.

[0035] A ring groove 25 is provided at the center of the inner side of the front cover 2, and a plurality of clamping seats 26 are arranged in a ring array in the ring groove 25, and a limiting hole 261 is provided in the clamping seat 26.

[0036] A support plate 27 is arranged between two adjacent clamping seats 26, and the support plate 27 is located in the ring groove 25, the main function of the support plate 27 is to strengthen the structural strength of the ring groove 25, prevent the front cover 2 from deforming under stress, since the loudspeaker 3 will generate a large vibration and pressure during work, the support plate 27 can effectively disperse these forces, and ensure the structural integrity of the front cover 2. The support plate 27 can also reduce the resonance phenomenon in the ring groove 25, without the support plate 27, the ring groove 25 may produce unnecessary resonance due to the vibration of the loudspeaker 3, affecting the sound quality, by increasing the support plate 27, the resonance can be effectively suppressed, and the overall sound quality of the sound box can be improved.

[0037] One end of the loudspeaker 3 is mounted in the connecting block 21, the connecting block 21 is a circular ring, the connecting block 21 not only provides a mounting platform for the loudspeaker 3, but also plays a protective and supporting role. A U-shaped block 24 is symmetrically arranged inside the connecting block 21, for protecting the diaphragm part of the loudspeaker 3, to prevent external objects from directly contacting the diaphragm of the loudspeaker 3, the diaphragm is the core component of the loudspeaker 3, any physical damage will seriously affect its performance, through the protection of the U-shaped block 24, the diaphragm can be effectively prevented from being scratched, crushed or torn, the service life of the loudspeaker 3 is prolonged, and the U-shaped block 24 can also be used as a handle to facilitate the user to carry the sound box.

[0038] A positioning hole 31 is provided at the edge of each corner of the loudspeaker 3, the positioning hole 31 is concentric with and tightly fitted with the limiting hole 261, the loudspeaker 3 is fixed by sequentially inserting screws through the positioning hole 31 of the loudspeaker 3 and screwing them into the limiting hole 261 of the clamping seat 26, and a fixed block 32 is further fixedly arranged on one end of the side wall of the loudspeaker 3, for providing additional fixing effect.

[0039] The front cover 2 is provided with a plurality of mounting seats 28 in the form of an annular array on the upper end of the inner side, around the edge of the groove 22, and a column hole 281 is formed in the mounting seat 28.

[0040] The small loudspeaker 4 is mounted in the groove 22 at one end, and the small loudspeaker 4 is provided with two symmetrical connecting plates 41 at one end, the connecting plates 41 are L-shaped, which can provide a larger contact area and enhance the stability of the fixation, and a through hole 42 is formed through the connecting plate 41, the through hole 42 is concentric with the column hole 281 and closely fits, the small loudspeaker 4 is fixed by sequentially passing the screw through the through hole 42 of the small loudspeaker 4 and screwing it into the column hole 281 of the mounting seat 28, and the small loudspeaker 4 is also provided with two symmetrical fixing pins 43 at the bottom, which play an auxiliary fixing role.

[0041] A sealing washer 11 is also arranged in the annular groove 25, which is closely fitted with the side wall of the cabinet 1 on one side, and it surrounds the mounting area of the loudspeaker 3 to form a closed sealing ring, which ensures the close fit between the front cover 2 and the cabinet 1, and the sealing washer 11 is used to ensure the sealing between the front cover 2 and the cabinet 1, preventing air leakage from the gap between the front cover 2 and the cabinet 1, which can damage the air-tight environment inside the sound box, resulting in a decrease in low-frequency response and making the sound loose and unclear. Especially in the design of a closed sound box, good sealing is crucial to the low-frequency effect, which can significantly improve the performance of low-frequency and make the sound fuller and more powerful, and the sealing washer 11 can also reduce the vibration and resonance between the front cover 2 and the cabinet 1, improving the overall sound quality performance, and by providing a soft buffer layer, the sealing washer 11 can absorb part of the vibration energy and reduce unnecessary noise transmission, making the sound purer and clearer.

[0042] The cabinet 1 is provided with a connecting pipe 5 symmetrically, and the main function of the connecting pipe 5 is to act as a heat dissipation pipe to discharge the heat generated during the use of the sound box, and the loudspeaker 3 and other electronic components will generate a large amount of heat during work, especially in the case of high-power operation or long-time use, the accumulation of heat may cause the temperature to be too high, affecting the performance and service life of the equipment, and the connecting pipe 5 is mounted in the fixing groove 23 at one end to form a complete air flow channel, and air can flow through the connecting pipe 5 to carry away heat. In addition to the heat dissipation function, the connecting pipe 5 can also serve as an additional expansion channel for installing other loudspeakers or other functional modules, for example, a small subwoofer or a medium-high frequency loudspeaker can be installed at the end of the connecting pipe 5 to further improve the sound quality performance of the sound box. Not only increases the functionality of the sound box, but also fully utilizes the internal space of the cabinet 1, avoiding the occupation of additional external space.

[0043] The utility model discloses in specific use, the positioning hole 31 of loudspeaker 3 four corners edge is aligned with the limiting hole 261 on the card seat 26, and the screw is successively passed positioning hole 31, and it is screwed in limiting hole 261, to fix loudspeaker 3, and the sealing washer 11 is embedded in ring groove 25, subsequently the through -hole 42 on the connecting plate 41 of small loudspeaker 4 both sides is aligned with the post hole 281 on the mounting seat 28, and the screw is successively passed through -hole 42, and it is screwed in post hole 281, and the small loudspeaker 4 is fixed, and one end of connecting pipe 5 is inserted into fixed groove 23, and according to the demand, other loudspeakers or other functional modules are installed at the end of connecting pipe 5, and subsequently the front cover 2 is firmly fixed in box 1 using the screw, and the sealing washer 11 is closely attached to the lateral wall of box 1 at this time.

[0044] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has disclosed as above with the preferred embodiment, however, is not used to limit the utility model, any person skilled in the art, in the range of the utility model technical scheme, when can utilize the technical content disclosed above to make a little more change or modification equivalent variation equivalent embodiment, but as long as not departing from the utility model technical scheme content, according to the technical essence of the utility model, any brief introduction modification, equivalent variation and modification of the above embodiment, still belong to the range of the utility model technical scheme.

Claims

1. An improved speaker box, comprising a box body (1) and a front cover (2) fixedly installed on one side of the box body, characterized in that, The front cover (2) is internally centrally provided with a loudspeaker (3), and the upper end of the inner side of the front cover (2) is fixedly provided with a small loudspeaker (4), and the outer side of the front cover (2) is fixedly provided with a connecting block (21) concentric with the loudspeaker (3) at the center.

2. The improved speaker box of claim 1, wherein, The outer side of the upper end of the front cover (2) is provided with a groove (22), and one end of the small loudspeaker (4) is located at the center of the groove (22), and a plurality of limiting plates (221) are fixedly arranged in an annular array at the concentric position of the groove (22) and the small loudspeaker (4).

3. The improved speaker box of claim 1, wherein, The outer side of the lower end of the front cover (2) is symmetrically provided with two fixing grooves (23), and the fixing grooves (23) are trapezoidal.

4. The improved speaker box of claim 1, wherein, The inner side of the front cover (2) is centrally provided with an annular groove (25), and a plurality of clamping seats (26) are arranged in an annular array in the annular groove (25).

5. The improved speaker box of claim 4, wherein, Support plates (27) are arranged between adjacent two clamping seats (26), and the support plates (27) are located in the annular groove (25).

6. The improved speaker box of claim 4, wherein, One end of the loudspeaker (3) is mounted in the connecting block (21), and a plurality of positioning holes (31) are formed through the edges of the loudspeaker (3), the positioning holes (31) are concentric with the limiting holes (261) and tightly fit, and a fixing block (32) is further fixedly arranged on one end of the loudspeaker (3).

7. The improved speaker box of claim 2, wherein, The inner side of the front cover (2) is annularly arranged with a plurality of mounting seats (28) at the upper end, and a column hole (281) is formed in the mounting seat (28).

8. The improved speaker box of claim 7, wherein, One end of the small loudspeaker (4) is mounted in the groove (22), and the small loudspeaker (4) is symmetrically provided with two connecting plates (41) at one end, the connecting plates (41) are L-shaped, and a through hole (42) is formed through the connecting plates (41), the through hole (42) is concentric with the column hole (281) and tightly fits, and the small loudspeaker (4) is further symmetrically provided with two fixing pins (43) at the bottom.

9. The modified sound box according to claim 4, wherein, The annular groove (25) is further provided with a sealing gasket (11), and one side of the sealing gasket (11) tightly fits with the side wall of the box body (1).

10. The improved speaker enclosure of claim 3, wherein, The box body (1) is symmetrically provided with a connecting pipe (5), and one end of the connecting pipe (5) is mounted in the fixing groove (23).

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